- a mine or pit from which coal is obtained.
Origin of coal mine
First recorded in 1605–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for coal mine
Now, if a coal-mine could be put into one's waistcoat pocket—but it can't!Victory
An employee at a coal-mine in Ohio is reported to have died from overwork.
But time passed on, and it was Davie's last day in the coal-mine.Parables from Flowers
Gertrude P. Dyer
He told him about the coal-mine speculation and M. Dambreuse's proposal.Sentimental Education, Volume II
The only reason for its building was a coal-mine boom that petered out.Desert Conquest
A. M. Chisholm